HP LaserJet 6p/mp Service Manual - Page 9

Pressure Roller 87 Face-Up/Face-Down Lever 88 Fuser Exit Roller Assembly 89 Paper Exit Sensor Flag 90 Top assemblies 91 Laser/Scanner Assembly 91 Solenoid 92 Pickup Roller Assembly 94 Paper Feed Frame 97 Transfer Roller Guide and Transfer Roller 101 Kick Plate 102 Separation Pad 104 Subpads 105 Feed Assembly 106 Bottom assemblies 109 Memory Door Guide 109 Motor 110 DC Controller 111 Formatter PCA 114 7 Troubleshooting Chapter contents 115 General troubleshooting flowchart 116 Paper path and components 118 DC Controller diagram 119 Printer error troubleshooting 120 Priority of errors 120 Printer status messages 121 Service and error messages 123 Image formation troubleshooting 126 Check the toner cartridge 126 Image defect examples 127 Troubleshooting checks 133 Engine test 133 Half self-test functional check 134 Drum rotation functional check 134 High-voltage power supply check 135 Paper curl 137 Troubleshooting tools 138 Paper path check 138 Repetitive image defect ruler 139 Main wiring diagram 140 8 Parts and diagrams Chapter contents 143 How to use the part lists and diagrams 144 Ordering parts 144 Ordering consumables 144 Accessories and supplies 145 Common hardware 146 Parts diagrams 147 Appendix A Parts index Alphabetical parts list 167 Numerical parts list 172 EN 7